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Cultivation device and method for measuring water consumption of water-saving and drought-resistant rice

A technology of cultivation device and water consumption, which is applied in rice cultivation, watering device, cultivation and other directions, can solve the problems of low utilization efficiency of irrigation water, inappropriate determination of water consumption of water-saving and drought-resistant rice, etc., and achieves easy operation and simple operation. , the effect of reducing waste

Active Publication Date: 2019-05-28
SHANGHAI AGROBIOLOGICAL GENE CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in the water management of farmland crops, the phenomenon of "flood irrigation" is still relatively common. The efficiency of irrigation water utilization in my country is very low, and the food produced per cubic meter of water is less than 1kg, while Israel has reached 2.32kg
It can be seen that the water consumption of water-saving and drought-resistant rice is lower than that of ordinary rice, and the devices and methods used to measure the water consumption of rice are no longer suitable for the determination of water consumption of water-saving and drought-resistant rice.

Method used

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  • Cultivation device and method for measuring water consumption of water-saving and drought-resistant rice
  • Cultivation device and method for measuring water consumption of water-saving and drought-resistant rice

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] In 2013, 2014 and 2015, two water-saving and drought-resistant rice varieties, Hanyou 73 and WDR129, were used as test objects. The test location is: Zhuanghang Comprehensive Experimental Station of Shanghai Academy of Agricultural Sciences. The two varieties were transplanted into the cultivation device, and a total of 6 gradient treatments were set up, with the irrigation amount of precise quantitative irrigation as the maximum irrigation amount, and the irrigation amount of the other gradients was reduced by 10% of the previous gradient. for irrigation. Since the test results of the three years are basically consistent, the data results of 2015 are selected for analysis. The measured water consumption of these two varieties is shown in Table 1.

[0043] Table 1 Water consumption of different varieties (m 3 / mu) and yield of water-saving and drought-resistant rice varieties (g / plant)

[0044] process gradient

[0045] It can be seen from Table 1 that wit...

Embodiment 2

[0047] Different water-saving and drought-resistant rice varieties have different daily water consumption. Calculating the water consumption in each growth period can control the irrigation amount of each variety more accurately and in a more targeted manner. The critical period of water use in the field stage of water-saving and drought-resistant rice was divided into two periods, namely, the living tree stage, the tillering stage, the jointing stage, the booting and heading stage, and the filling stage. According to the difference in daily water consumption, the water consumption of the two varieties of different water-saving and drought-resistant rice during the growth period accounted for about 15.1% of the total water consumption at the live tree stage, 36.0% at the tiller jointing stage, 31.3% at the booting and heading stage, and 17.6% at the filling stage. %. The water consumption of each species in different irrigation periods is taken in 2015 as an example, as shown ...

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Abstract

The invention relates to a cultivating device for measuring the water consumption of water-saving and drought-resistant rice and a method for using the same. The cultivating device comprises a water supply device and a drip irrigation system. The water supply device comprises a water storage container (11), a water pump (14) arranged in the water storage container (11), a main pipe (13) connected with the water pump (14) and a branch water pipe (12) connected with the main pipe (13). According to the water supply device, water in the water storage container (11) is pumped into the main pipe (13) through the water pump (14) and then divided to enter the branch water pipe (12). By means of the cultivating device, multi-gradient precise irrigation is achieved, and the cultivating device is simple and easy to operate and high in sensitivity; according to the method for measuring the optimum irrigation amount of crops, multi-gradient irrigation amount design with the maximum irrigation amount as the upper limit is used, the relationship between the yield and the irrigation amount is built, the optimum irrigation amount is determined accordingly, agriculture production can be guided, scientific planting can be achieved, and wasted water resources can be reduced.

Description

technical field [0001] The invention relates to the technical field of water-saving agriculture, in particular to a cultivation device for measuring water consumption of water-saving and drought-resistant rice and a method for using the device. Background technique [0002] With the rapid development of world population, industry, economy and society, the shortage of global water resources is increasing day by day. my country's per capita water resources are only 2400m2, which is 1 / 4 of the world's per capita share, ranking 109th, and is listed by the United Nations as one of the 13 water-poor countries. Increasing the utilization rate of water resources and reducing the waste of water resources is of great significance to alleviating the shortage of water resources in our country. [0003] Agriculture is a major user of water. As the contradiction between supply and demand of water resources is becoming increasingly acute, the huge pressure and contradictions faced by my ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/22A01G25/02A01G25/16A01G9/02A01G24/12A01G24/00
CPCA01G9/02A01G22/22A01G24/00A01G25/02A01G25/165Y02A40/22
Inventor 毕俊国刘国兰张安宁王飞名叶水烽刘毅余新桥罗利军
Owner SHANGHAI AGROBIOLOGICAL GENE CENT